From 16aedfe0a04432e9912dd4c8c662c5e416c67af9 Mon Sep 17 00:00:00 2001
From: ktsj <ktsj@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 16 Feb 2013 11:58:33 +0000
Subject: * vm.c (ENV_IN_HEAP_P): fix off-by-one error.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39282 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 vm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'vm.c')

diff --git a/vm.c b/vm.c
index 3b404984cc..49cc24e2b9 100644
--- a/vm.c
+++ b/vm.c
@@ -262,7 +262,7 @@ ruby_vm_run_at_exit_hooks(rb_vm_t *vm)
  */
 
 #define ENV_IN_HEAP_P(th, env)  \
-  (!((th)->stack < (env) && (env) < ((th)->stack + (th)->stack_size)))
+  (!((th)->stack <= (env) && (env) < ((th)->stack + (th)->stack_size)))
 #define ENV_VAL(env)        ((env)[1])
 
 static void
-- 
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